package main

import "fmt"

func main() {
	var m map[int]map[int]string
	m = make(map[int]map[int]string)
	//m[2] = make(map[int]string)
	//m[2][1]="ok"
	a , ok:= m[2][1]
	if !ok{
		m[2] = make(map[int]string)
	}
	m[2][1] = "GOOD"
	a,ok = m[2][1]
	fmt.Println(a,ok)
}
